2.12

ackage com.example.myapplication;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
import java.util.List;
public class ListAdapter extends BaseAdapter {
    List<costList> mList;


    public ListAdapter(List<costList>list)
    {
        mList=list;
    }
    @Override
    public int getCount() {
        return mList.size();
    }

    @Override
    public Object getItem(int position) {
        return mList.get(position);
    }

    @Override
    public long getItemId(int position) {
        return Long.parseLong(mList.get(position).get_id());
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        View view=mLayoutInflater.inflate(R.layout.list_item,null);
        //取出数据赋值
        costList item=mList.get(position);
        TextView tv_spin=view.findViewById(R.id.tv_spin);
        TextView tv_title=view.findViewById(R.id.tv_title);
        TextView tv_date=view.findViewById(R.id.tv_date);
        TextView tv_money=view.findViewById(R.id.tv_money);
        //绑定
        tv_spin.setText(mList.get(position).getSe());
        tv_title.setText(mList.get(position).getTitle());
        tv_date.setText(mList.get(position).getDate());
        tv_money.setText(mList.get(position).getMoney());
        return view;
    }
    private List<costList>getmList;
    private LayoutInflater mLayoutInflater;

    public ListAdapter(Context context, List<costList>list)
    {
        mList=list;
        //通过外部传来的Context初始化LayoutInflater对象
        mLayoutInflater=LayoutInflater.from(context);
    }